/**
 * Copyright (C) 2015 The Gravitee team (http://gravitee.io)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.gravitee.common.util;

import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;

/**
 * @author David BRASSELY (brasseld at gmail.com)
 * @author GraviteeSource Team
 */
public class ListReverser<T> implements Iterable<T> {

    private ListIterator<T> listIterator;

    public ListReverser(List<T> wrappedList) {
        this.listIterator = wrappedList.listIterator(wrappedList.size());
    }

    public Iterator<T> iterator() {
        return new Iterator<T>() {

            public boolean hasNext() {
                return listIterator.hasPrevious();
            }

            public T next() {
                return listIterator.previous();
            }

            public void remove() {
                listIterator.remove();
            }

        };
    }
}